Merge tag 'tty-3.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are a number of small tty/serial driver fixes for 3.15-rc2.  Also
  in here are some Documentation file removals for drivers that we
  removed a long time ago, no need to keep it around any longer.

  All of these have been in linux-next for a bit"

* tag 'tty-3.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  Revert "serial: 8250, disable "too much work" messages"
  serial: amba-pl011: fix regression, causing an Oops on rmmod
  tty: Fix help text of SYNCLINK_CS
  tty: fix memleak in alloc_pid
  ttyprintk: Allow built as a module
  ttyprintk: Fix wrong tty_unregister_driver() call in the error path
  serial: 8250, disable "too much work" messages
  Documentation/serial: Delete obsolete driver documentation
  serial: omap: Fix missing pm_runtime_resume handling by simplifying code
  serial_core: Fix pm imbalance on unbind
  serial: pl011: change Rx burst size to half of trigger level
  serial: timberdale: Depend on X86_32
  serial: st-asc: Fix SysRq char handling
  Revert "serial: clps711x: Give a chance to perform useful tasks during wait loop"
  serial_core: Fix conditional start_tx on ring buffer not empty
  serial: efm32: use $vendor,$device scheme for compatible string
  serial: omap: free the wakeup settings in remove

21 files changed, 57 insertions, 907 deletions

diff --git a/Documentation/devicetree/bindings/serial/efm32-uart.txt b/Documentation/devicetree/bindings/serial/efm32-uart.txt
index 1984bdfbd545..3ca01336b837 100644
--- a/Documentation/devicetree/bindings/serial/efm32-uart.txt
+++ b/Documentation/devicetree/bindings/serial/efm32-uart.txt
@@ -1,7 +1,7 @@
 * Energymicro efm32 UART
 
 Required properties:
-- compatible : Should be "efm32,uart"
+- compatible : Should be "energymicro,efm32-uart"
 - reg : Address and length of the register set
 - interrupts : Should contain uart interrupt
 
@@ -13,7 +13,7 @@ Optional properties:
 Example:
 
 uart@0x4000c400 {
-	compatible = "efm32,uart";
+	compatible = "energymicro,efm32-uart";
 	reg = <0x4000c400 0x400>;
 	interrupts = <15>;
 	efm32,location = <0>;
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 03e50b4883a8..43842177b771 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -804,13 +804,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 	dhash_entries=	[KNL]
 			Set number of hash buckets for dentry cache.
 
-	digi=		[HW,SERIAL]
-			IO parameters + enable/disable command.
-
-	digiepca=	[HW,SERIAL]
-			See drivers/char/README.epca and
-			Documentation/serial/digiepca.txt.
-
 	disable=	[IPV6]
 			See Documentation/networking/ipv6.txt.
 
@@ -2939,9 +2932,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 	rhash_entries=	[KNL,NET]
 			Set number of hash buckets for route cache
 
-	riscom8=	[HW,SERIAL]
-			Format: <io_board1>[,<io_board2>[,...<io_boardN>]]
-
 	ro		[KNL] Mount root device read-only on boot
 
 	root=		[KNL] Root filesystem
@@ -3083,9 +3073,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 	sonypi.*=	[HW] Sony Programmable I/O Control Device driver
 			See Documentation/laptops/sonypi.txt
 
-	specialix=	[HW,SERIAL] Specialix multi-serial port adapter
-			See Documentation/serial/specialix.txt.
-
 	spia_io_base=	[HW,MTD]
 	spia_fio_base=
 	spia_pedr=
diff --git a/Documentation/magic-number.txt b/Documentation/magic-number.txt
index 76d80a64bbe1..4c8e142db2ef 100644
--- a/Documentation/magic-number.txt
+++ b/Documentation/magic-number.txt
@@ -63,8 +63,6 @@ Magic Name            Number      Structure            File
 PG_MAGIC              'P'         pg_{read,write}_hdr include/linux/pg.h
 CMAGIC                0x0111      user              include/linux/a.out.h
 MKISS_DRIVER_MAGIC    0x04bf      mkiss_channel     drivers/net/mkiss.h
-RISCOM8_MAGIC         0x0907      riscom_port       drivers/char/riscom8.h
-SPECIALIX_MAGIC       0x0907      specialix_port    drivers/char/specialix_io8.h
 HDLC_MAGIC            0x239e      n_hdlc            drivers/char/n_hdlc.c
 APM_BIOS_MAGIC        0x4101      apm_user          arch/x86/kernel/apm_32.c
 CYCLADES_MAGIC        0x4359      cyclades_port     include/linux/cyclades.h
@@ -82,7 +80,6 @@ STRIP_MAGIC           0x5303      strip             drivers/net/strip.c
 X25_ASY_MAGIC         0x5303      x25_asy           drivers/net/x25_asy.h
 SIXPACK_MAGIC         0x5304      sixpack           drivers/net/hamradio/6pack.h
 AX25_MAGIC            0x5316      ax_disp           drivers/net/mkiss.h
-ESP_MAGIC             0x53ee      esp_struct        drivers/char/esp.h
 TTY_MAGIC             0x5401      tty_struct        include/linux/tty.h
 MGSL_MAGIC            0x5401      mgsl_info         drivers/char/synclink.c
 TTY_DRIVER_MAGIC      0x5402      tty_driver        include/linux/tty_driver.h
@@ -94,13 +91,10 @@ USB_BLUETOOTH_MAGIC   0x6d02      usb_bluetooth     drivers/usb/class/bluetty.c
 RFCOMM_TTY_MAGIC      0x6d02                        net/bluetooth/rfcomm/tty.c
 USB_SERIAL_PORT_MAGIC 0x7301      usb_serial_port   drivers/usb/serial/usb-serial.h
 CG_MAGIC              0x00090255  ufs_cylinder_group include/linux/ufs_fs.h
-A2232_MAGIC           0x000a2232  gs_port           drivers/char/ser_a2232.h
 RPORT_MAGIC           0x00525001  r_port            drivers/char/rocket_int.h
 LSEMAGIC              0x05091998  lse               drivers/fc4/fc.c
 GDTIOCTL_MAGIC        0x06030f07  gdth_iowr_str     drivers/scsi/gdth_ioctl.h
 RIEBL_MAGIC           0x09051990                    drivers/net/atarilance.c
-RIO_MAGIC             0x12345678  gs_port           drivers/char/rio/rio_linux.c
-SX_MAGIC              0x12345678  gs_port           drivers/char/sx.h
 NBD_REQUEST_MAGIC     0x12560953  nbd_request       include/linux/nbd.h
 RED_MAGIC2            0x170fc2a5  (any)             mm/slab.c
 BAYCOM_MAGIC          0x19730510  baycom_state      drivers/net/baycom_epp.c
@@ -116,7 +110,6 @@ ISDN_ASYNC_MAGIC      0x49344C01  modem_info        include/linux/isdn.h
 CTC_ASYNC_MAGIC       0x49344C01  ctc_tty_info      drivers/s390/net/ctctty.c
 ISDN_NET_MAGIC        0x49344C02  isdn_net_local_s  drivers/isdn/i4l/isdn_net_lib.h
 SAVEKMSG_MAGIC2       0x4B4D5347  savekmsg          arch/*/amiga/config.c
-STLI_BOARDMAGIC       0x4bc6c825  stlibrd           include/linux/istallion.h
 CS_STATE_MAGIC        0x4c4f4749  cs_state          sound/oss/cs46xx.c
 SLAB_C_MAGIC          0x4f17a36d  kmem_cache        mm/slab.c
 COW_MAGIC             0x4f4f4f4d  cow_header_v1     arch/um/drivers/ubd_user.c
@@ -127,10 +120,8 @@ SCC_MAGIC             0x52696368  gs_port           drivers/char/scc.h
 SAVEKMSG_MAGIC1       0x53415645  savekmsg          arch/*/amiga/config.c
 GDA_MAGIC             0x58464552  gda               arch/mips/include/asm/sn/gda.h
 RED_MAGIC1            0x5a2cf071  (any)             mm/slab.c
-STL_PORTMAGIC         0x5a7182c9  stlport           include/linux/stallion.h
 EEPROM_MAGIC_VALUE    0x5ab478d2  lanai_dev         drivers/atm/lanai.c
 HDLCDRV_MAGIC         0x5ac6e778  hdlcdrv_state     include/linux/hdlcdrv.h
-EPCA_MAGIC            0x5c6df104  channel           include/linux/epca.h
 PCXX_MAGIC            0x5c6df104  channel           drivers/char/pcxx.h
 KV_MAGIC              0x5f4b565f  kernel_vars_s     arch/mips/include/asm/sn/klkernvars.h
 I810_STATE_MAGIC      0x63657373  i810_state        sound/oss/i810_audio.c
@@ -142,17 +133,14 @@ SLOT_MAGIC            0x67267322  slot              drivers/hotplug/acpiphp.h
 LO_MAGIC              0x68797548  nbd_device        include/linux/nbd.h
 OPROFILE_MAGIC        0x6f70726f  super_block       drivers/oprofile/oprofilefs.h
 M3_STATE_MAGIC        0x734d724d  m3_state          sound/oss/maestro3.c
-STL_PANELMAGIC        0x7ef621a1  stlpanel          include/linux/stallion.h
 VMALLOC_MAGIC         0x87654320  snd_alloc_track   sound/core/memory.c
 KMALLOC_MAGIC         0x87654321  snd_alloc_track   sound/core/memory.c
 PWC_MAGIC             0x89DC10AB  pwc_device        drivers/usb/media/pwc.h
 NBD_REPLY_MAGIC       0x96744668  nbd_reply         include/linux/nbd.h
-STL_BOARDMAGIC        0xa2267f52  stlbrd            include/linux/stallion.h
 ENI155_MAGIC          0xa54b872d  midway_eprom	    drivers/atm/eni.h
 SCI_MAGIC             0xbabeface  gs_port           drivers/char/sh-sci.h
 CODA_MAGIC            0xC0DAC0DA  coda_file_info    fs/coda/coda_fs_i.h
 DPMEM_MAGIC           0xc0ffee11  gdt_pci_sram      drivers/scsi/gdth.h
-STLI_PORTMAGIC        0xe671c7a1  stliport          include/linux/istallion.h
 YAM_MAGIC             0xF10A7654  yam_port          drivers/net/hamradio/yam.c
 CCB_MAGIC             0xf2691ad2  ccb               drivers/scsi/ncr53c8xx.c
 QUEUE_MAGIC_FREE      0xf7e1c9a3  queue_entry       drivers/scsi/arm/queue.c
diff --git a/Documentation/serial/00-INDEX b/Documentation/serial/00-INDEX
index f9c6b5ed03e7..8021a9f29fc5 100644
--- a/Documentation/serial/00-INDEX
+++ b/Documentation/serial/00-INDEX
@@ -2,23 +2,15 @@
 	- this file.
 README.cycladesZ
 	- info on Cyclades-Z firmware loading.
-digiepca.txt
-	- info on Digi Intl. {PC,PCI,EISA}Xx and Xem series cards.
 driver
 	- intro to the low level serial driver.
 moxa-smartio
 	- file with info on installing/using Moxa multiport serial driver.
 n_gsm.txt
 	- GSM 0710 tty multiplexer howto.
-riscom8.txt
-	- notes on using the RISCom/8 multi-port serial driver.
 rocket.txt
 	- info on the Comtrol RocketPort multiport serial driver.
 serial-rs485.txt
 	- info about RS485 structures and support in the kernel.
-specialix.txt
-	- info on hardware/driver for specialix IO8+ multiport serial card.
-sx.txt
-	- info on the Specialix SX/SI multiport serial driver.
 tty.txt
 	- guide to the locking policies of the tty layer.
diff --git a/Documentation/serial/digiepca.txt b/Documentation/serial/digiepca.txt
deleted file mode 100644
index f2560e22f2c9..000000000000
--- a/Documentation/serial/digiepca.txt
+++ /dev/null
@@ -1,98 +0,0 @@
-NOTE:  This driver is obsolete.  Digi provides a 2.6 driver (dgdm) at
-http://www.digi.com for PCI cards.  They no longer maintain this driver,
-and have no 2.6 driver for ISA cards.
-
-This driver requires a number of user-space tools.  They can be acquired from
-http://www.digi.com, but only works with 2.4 kernels.
-
-
-The Digi Intl. epca driver. 
-----------------------------
-The Digi Intl. epca driver for Linux supports the following boards:
-
-Digi PC/Xem, PC/Xr, PC/Xe, PC/Xi, PC/Xeve 
-Digi EISA/Xem, PCI/Xem, PCI/Xr 
-
-Limitations:
-------------
-Currently the driver only autoprobes for supported PCI boards. 
-
-The Linux MAKEDEV command does not support generating the Digiboard
-Devices.  Users executing digiConfig to setup EISA and PC series cards
-will have their device nodes automatically constructed (cud?? for ~CLOCAL,
-and ttyD?? for CLOCAL).  Users wishing to boot their board from the LILO
-prompt, or those users booting PCI cards may use buildDIGI to construct 
-the necessary nodes. 
-
-Notes:
-------
-This driver may be configured via LILO.  For users who have already configured
-their driver using digiConfig, configuring from LILO will override previous 
-settings.  Multiple boards may be configured by issuing multiple LILO command 
-lines.  For examples see the bottom of this document.
-
-Device names start at 0 and continue up.  Beware of this as previous Digi 
-drivers started device names with 1.
-
-PCI boards are auto-detected and configured by the driver.  PCI boards will
-be allocated device numbers (internally) beginning with the lowest PCI slot
-first.  In other words a PCI card in slot 3 will always have higher device
-nodes than a PCI card in slot 1. 
-
-LILO config examples:
----------------------
-Using LILO's APPEND command, a string of comma separated identifiers or 
-integers can be used to configure supported boards.  The six values in order 
-are:
-
-   Enable/Disable this card or Override,
-   Type of card: PC/Xe (AccelePort) (0), PC/Xeve (1), PC/Xem or PC/Xr (2), 
-                 EISA/Xem (3), PC/64Xe (4), PC/Xi (5), 
-   Enable/Disable alternate pin arrangement,
-   Number of ports on this card,
-   I/O Port where card is configured (in HEX if using string identifiers),
-   Base of memory window (in HEX if using string identifiers), 
-
-NOTE : PCI boards are auto-detected and configured.  Do not attempt to 
-configure PCI boards with the LILO append command.  If you wish to override
-previous configuration data (As set by digiConfig), but you do not wish to
-configure any specific card (Example if there are PCI cards in the system) 
-the following override command will accomplish this:
--> append="digi=2"
-
-Samples:
-   append="digiepca=E,PC/Xe,D,16,200,D0000"
-                  or
-   append="digi=1,0,0,16,512,851968"
-
-Supporting Tools:
------------------
-Supporting tools include digiDload, digiConfig, buildPCI, and ditty.  See
-drivers/char/README.epca for more details.  Note,
-this driver REQUIRES that digiDload be executed prior to it being used. 
-Failure to do this will result in an ENODEV error.
-
-Documentation:
---------------
-Complete documentation for this product may be found in the tool package. 
-
-Sources of information and support:
------------------------------------
-Digi Intl. support site for this product:
-
-->  http://www.digi.com
-
-Acknowledgments:
-----------------
-Much of this work (And even text) was derived from a similar document 
-supporting the original public domain DigiBoard driver Copyright (C)
-1994,1995 Troy De Jongh.  Many thanks to Christoph Lameter 
-(christoph@lameter.com) and Mike McLagan (mike.mclagan@linux.org) who authored 
-and contributed to the original document. 
-
-Changelog:
-----------
-10-29-04:	Update status of driver, remove dead links in document
-		James Nelson <james4765@gmail.com>
-
-2000 (?)	Original Document
diff --git a/Documentation/serial/riscom8.txt b/Documentation/serial/riscom8.txt
deleted file mode 100644
index 14f61fdad7ca..000000000000
--- a/Documentation/serial/riscom8.txt
+++ /dev/null
@@ -1,36 +0,0 @@
-* NOTE - this is an unmaintained driver.  The original author cannot be located.
-
-SDL Communications is now SBS Technologies, and does not have any
-information on these ancient ISA cards on their website.
-
-James Nelson <james4765@gmail.com> - 12-12-2004
-
-	This is the README for RISCom/8 multi-port serial driver
-	(C) 1994-1996 D.Gorodchanin
-	See file LICENSE for terms and conditions.
-
-NOTE: English is not my native language. 
-      I'm sorry for any mistakes in this text.
-
-Misc. notes for RISCom/8 serial driver, in no particular order :)
-
-1) This driver can support up to 4 boards at time.
-   Use string "riscom8=0xXXX,0xXXX,0xXXX,0xXXX" at LILO prompt, for
-   setting I/O base addresses for boards. If you compile driver
-   as module use modprobe options "iobase=0xXXX iobase1=0xXXX iobase2=..."
-
-2) The driver partially supports famous 'setserial' program, you can use almost
-   any of its options, excluding port & irq settings.
-
-3) There are some misc. defines at the beginning of riscom8.c, please read the 
-   comments and try to change some of them in case of problems.
-
-4) I consider the current state of the driver as BETA.
-
-5) SDL Communications WWW page is http://www.sdlcomm.com.
-
-6) You can use the MAKEDEV program to create RISCom/8 /dev/ttyL* entries.
-
-7) Minor numbers for first board are 0-7, for second 8-15, etc.
-
-22 Apr 1996.
diff --git a/Documentation/serial/specialix.txt b/Documentation/serial/specialix.txt
deleted file mode 100644
index 6eb6f3a3331c..000000000000
--- a/Documentation/serial/specialix.txt
+++ /dev/null
@@ -1,383 +0,0 @@
-
-      specialix.txt  -- specialix IO8+ multiport serial driver readme.
-
-
-
-      Copyright (C) 1997  Roger Wolff (R.E.Wolff@BitWizard.nl)
-
-      Specialix pays for the development and support of this driver.
-      Please DO contact io8-linux@specialix.co.uk if you require
-      support.
-
-      This driver was developed in the BitWizard linux device
-      driver service. If you require a linux device driver for your
-      product, please contact devices@BitWizard.nl for a quote.
-
-      This code is firmly based on the riscom/8 serial driver,
-      written by Dmitry Gorodchanin. The specialix IO8+ card
-      programming information was obtained from the CL-CD1865 Data
-      Book, and Specialix document number 6200059: IO8+ Hardware
-      Functional Specification, augmented by document number 6200088:
-      Merak Hardware Functional Specification. (IO8+/PCI is also 
-      called Merak)
-
-
-      This program is free software; you can redistribute it and/or
-      modify it under the terms of the GNU General Public License as
-      published by the Free Software Foundation; either version 2 of
-      the License, or (at your option) any later version.
-
-      This program is distributed in the hope that it will be
-      useful, but WITHOUT ANY WARRANTY; without even the implied
-      warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-      PURPOSE.  See the GNU General Public License for more details.
-
-      You should have received a copy of the GNU General Public
-      License along with this program; if not, write to the Free
-      Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
-      USA.
-
-
-Intro
-=====
-
- 
-This file contains some random information, that I like to have online
-instead of in a manual that can get lost. Ever misplace your Linux
-kernel sources?  And the manual of one of the boards in your computer?
-
-
-Addresses and interrupts
-========================
-
-Address dip switch settings:
-The dip switch sets bits 2-9 of the IO address. 
-
-       9 8 7 6 5 4 3 2 
-     +-----------------+
-   0 | X   X X X X X X |
-     |                 |    =   IoBase = 0x100 
-   1 |   X             |
-     +-----------------+          ------ RS232 connectors ---->
-         
-         |    |    |
-       edge connector
-         |    |    |
-         V    V    V
-
-Base address 0x100 caused a conflict in one of my computers once.  I
-haven't the foggiest why. My Specialix card is now at 0x180.  My
-other computer runs just fine with the Specialix card at 0x100....
-The card occupies 4 addresses, but actually only two are really used.
-
-The PCI version doesn't have any dip switches. The BIOS assigns
-an IO address. 
-
-The driver now still autoprobes at 0x100, 0x180, 0x250 and 0x260.  If
-that causes trouble for you, please report that. I'll remove
-autoprobing then.
-
-The driver will tell the card what IRQ to use, so you don't have to
-change any jumpers to change the IRQ. Just use a command line
-argument (irq=xx) to the insmod program to set the interrupt.
-
-The BIOS assigns the IRQ on the PCI version. You have no say in what
-IRQ to use in that case. 
-
-If your specialix cards are not at the default locations, you can use
-the kernel command line argument "specialix=io0,irq0,io1,irq1...".
-Here "io0" is the io address for the first card, and "irq0" is the
-irq line that the first card should use. And so on. 
-
-Examples. 
-
-You use the driver as a module and have three cards at 0x100, 0x250
-and 0x180. And some way or another you want them detected in that
-order. Moreover irq 12 is taken (e.g. by your PS/2 mouse).
-
-  insmod specialix.o iobase=0x100,0x250,0x180 irq=9,11,15
-
-The same three cards, but now in the kernel would require you to
-add 
-
-   specialix=0x100,9,0x250,11,0x180,15
-
-to the command line. This would become 
-
-   append="specialix=0x100,9,0x250,11,0x180,15" 
-
-in your /etc/lilo.conf file if you use lilo. 
-
-The Specialix driver is slightly odd: It allows you to have the second
-or third card detected without having a first card. This has
-advantages and disadvantages. A slot that isn't filled by an ISA card,
-might be filled if a PCI card is detected. Thus if you have an ISA
-card at 0x250 and a PCI card, you would get:
-
-sx0: specialix IO8+ Board at 0x100 not found.
-sx1: specialix IO8+ Board at 0x180 not found.
-sx2: specialix IO8+ board detected at 0x250, IRQ 12, CD1865 Rev. B.
-sx3: specialix IO8+ Board at 0x260 not found.
-sx0: specialix IO8+ board detected at 0xd800, IRQ 9, CD1865 Rev. B.
-
-This would happen if you don't give any probe hints to the driver. 
-If you would specify:
-
-   specialix=0x250,11
-
-you'd get the following messages:
-
-sx0: specialix IO8+ board detected at 0x250, IRQ 11, CD1865 Rev. B.
-sx1: specialix IO8+ board detected at 0xd800, IRQ 9, CD1865 Rev. B.
-
-ISA probing is aborted after the IO address you gave is exhausted, and
-the PCI card is now detected as the second card. The ISA card is now
-also forced to IRQ11....
-
-
-Baud rates
-==========
-
-The rev 1.2 and below boards use a CL-CD1864. These chips can only 
-do 64kbit. The rev 1.3 and newer boards use a CL-CD1865. These chips
-are officially capable of 115k2.
-
-The Specialix card uses a 25MHz crystal (in times two mode, which in
-fact is a divided by two mode). This is not enough to reach the rated
-115k2 on all ports at the same time. With this clock rate you can only
-do 37% of this rate. This means that at 115k2 on all ports you are
-going to lose characters (The chip cannot handle that many incoming
-bits at this clock rate.) (Yes, you read that correctly: there is a
-limit to the number of -=bits=- per second that the chip can handle.)
-
-If you near the "limit" you will first start to see a graceful
-degradation in that the chip cannot keep the transmitter busy at all
-times. However with a central clock this slow, you can also get it to
-miss incoming characters. The driver will print a warning message when
-you are outside the official specs. The messages usually show up in
-the file /var/log/messages .
-
-The specialix card cannot reliably do 115k2. If you use it, you have
-to do "extensive testing" (*) to verify if it actually works.
-
-When "mgetty" communicates with my modem at 115k2 it reports:
-got: +++[0d]ATQ0V1H0[0d][0d][8a]O[cb][0d][8a]
-                            ^^^^ ^^^^    ^^^^ 
-
-The three characters that have the "^^^" under them have suffered a
-bit error in the highest bit. In conclusion: I've tested it, and found
-that it simply DOESN'T work for me. I also suspect that this is also
-caused by the baud rate being just a little bit out of tune. 
-
-I upgraded the crystal to 66Mhz on one of my Specialix cards. Works
-great! Contact me for details. (Voids warranty, requires a steady hand
-and more such restrictions....)
-
-
-(*) Cirrus logic CD1864 databook, page 40.
-
-
-Cables for the Specialix IO8+
-=============================
-
-The pinout of the connectors on the IO8+ is:
-
-     pin    short    direction    long name
-            name
-    Pin 1   DCD      input        Data Carrier Detect
-    Pin 2   RXD      input        Receive
-    Pin 3   DTR/RTS  output       Data Terminal Ready/Ready To Send
-    Pin 4   GND      -            Ground
-    Pin 5   TXD      output       Transmit
-    Pin 6   CTS      input        Clear To Send
-        
-    
-             -- 6  5  4  3  2  1 --
-             |                    |
-             |                    |
-             |                    |
-             |                    |
-             +-----          -----+
-                  |__________|
-                      clip
-    
-    Front view of an RJ12 connector. Cable moves "into" the paper.
-    (the plug is ready to plug into your mouth this way...)
-
-    
-    NULL cable. I don't know who is going to use these except for
-    testing purposes, but I tested the cards with this cable. (It 
-    took quite a while to figure out, so I'm not going to delete
-    it. So there! :-)
-    
-    
-    This end goes               This end needs
-    straight into the           some twists in
-    RJ12 plug.                  the wiring.
-       IO8+ RJ12                   IO8+ RJ12
-        1  DCD       white          -
-        -             -             1 DCD
-        2  RXD       black          5 TXD
-        3  DTR/RTS   red            6 CTS
-        4  GND       green          4 GND
-        5  TXD       yellow         2 RXD
-        6  CTS       blue           3 DTR/RTS
-    
-
-    Same NULL cable, but now sorted on the second column.
- 
-        1  DCD       white          -
-        -             -             1 DCD
-        5  TXD       yellow         2 RXD
-        6  CTS       blue           3 DTR/RTS
-        4  GND       green          4 GND
-        2  RXD       black          5 TXD
-        3  DTR/RTS   red            6 CTS
-    
-    
-    
-    This is a modem cable usable for hardware handshaking:
-        RJ12                        DB25           DB9
-        1   DCD      white          8 DCD          1 DCD
-        2   RXD      black          3 RXD          2 RXD
-        3   DTR/RTS  red            4 RTS          7 RTS
-        4   GND      green          7 GND          5 GND
-        5   TXD      yellow         2 TXD          3 TXD
-        6   CTS      blue           5 CTS          8 CTS
-                            +----   6 DSR          6 DSR
-                            +----  20 DTR          4 DTR
-
-    This is a modem cable usable for software handshaking:
-    It allows you to reset the modem using the DTR ioctls.
-    I (REW) have never tested this, "but xxxxxxxxxxxxx
-    says that it works." If you test this, please
-    tell me and I'll fill in your name on the xxx's.
-
-        RJ12                        DB25           DB9
-        1   DCD      white          8 DCD          1 DCD
-        2   RXD      black          3 RXD          2 RXD
-        3   DTR/RTS  red           20 DTR          4 DTR
-        4   GND      green          7 GND          5 GND
-        5   TXD      yellow         2 TXD          3 TXD
-        6   CTS      blue           5 CTS          8 CTS
-                            +----   6 DSR          6 DSR
-                            +----   4 RTS          7 RTS
-
-   I bought a 6 wire flat cable. It was colored as indicated.
-   Check that yours is the same before you trust me on this.
-   
- 
-Hardware handshaking issues.
-============================
-
-The driver can be told to operate in two different ways. The default
-behaviour is specialix.sx_rtscts = 0 where the pin behaves as DTR when
-hardware handshaking is off. It behaves as the RTS hardware
-handshaking signal when hardware handshaking is selected.
-
-When you use this, you have to use the appropriate cable. The
-cable will either be compatible with hardware handshaking or with
-software handshaking. So switching on the fly is not really an
-option.
-
-I actually prefer to use the "specialix.sx_rtscts=1" option.
-This makes the DTR/RTS pin always an RTS pin, and ioctls to
-change DTR are always ignored. I have a cable that is configured
-for this. 
-
-
-Ports and devices
-=================
-
-Port 0 is the one furthest from the card-edge connector.
-
-Devices:
-
-You should make the devices as follows:
-
-bash
-cd /dev
-for i in  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 \
-         16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
-do
-  echo -n "$i "
-  mknod /dev/ttyW$i c 75 $i
-  mknod /dev/cuw$i c 76 $i
-done
-echo ""
-
-If your system doesn't come with these devices preinstalled, bug your
-linux-vendor about this. They have had ample time to get this
-implemented by now.
-
-You cannot have more than 4 boards in one computer. The card only
-supports 4 different interrupts. If you really want this, contact me
-about this and I'll give you a few tips (requires soldering iron)....
-
-If you have enough PCI slots, you can probably use more than 4 PCI
-versions of the card though.... 
-
-The PCI version of the card cannot adhere to the mechanical part of
-the PCI spec because the 8 serial connectors are simply too large. If
-it doesn't fit in your computer, bring back the card.
-
-
-------------------------------------------------------------------------
-
-
-  Fixed bugs and restrictions:
-       - During initialization, interrupts are blindly turned on.
-            Having a shadow variable would cause an extra memory
-            access on every IO instruction. 
-       - The interrupt (on the card) should be disabled when we
-         don't allocate the Linux end of the interrupt. This allows 
-         a different driver/card to use it while all ports are not in
-         use..... (a la standard serial port)
-       == An extra _off variant of the sx_in and sx_out macros are
-          now available. They don't set the interrupt enable bit.
-          These are used during initialization. Normal operation uses
-          the old variant which enables the interrupt line.
-       - RTS/DTR issue needs to be implemented according to 
-         specialix' spec.
-            I kind of like the "determinism" of the current 
-            implementation. Compile time flag?
-       == Ok. Compile time flag! Default is how Specialix likes it.
-       == Now a config time flag! Gets saved in your config file. Neat!
-       - Can you set the IO address from the lilo command line?
-            If you need this, bug me about it, I'll make it. 
-       == Hah! No bugging needed. Fixed! :-)
-       - Cirrus logic hasn't gotten back to me yet why the CD1865 can
-            and the CD1864 can't do 115k2. I suspect that this is
-            because the CD1864 is not rated for 33MHz operation.
-            Therefore the CD1864 versions of the card can't do 115k2 on 
-            all ports just like the CD1865 versions. The driver does
-            not block 115k2 on CD1864 cards. 
-        == I called the Cirrus Logic representative here in Holland.
-           The CD1864 databook is identical to the CD1865 databook, 
-           except for an extra warning at the end. Similar Bit errors
-           have been observed in testing at 115k2 on both an 1865 and
-           a 1864 chip. I see no reason why I would prohibit 115k2 on
-           1864 chips and not do it on 1865 chips. Actually there is
-           reason to prohibit it on BOTH chips. I print a warning.
-           If you use 115k2, you're on your own. 
-       - A spiky CD may send spurious HUPs. Also in CLOCAL???
-         -- A fix for this turned out to be counter productive. 
-            Different fix? Current behaviour is acceptable?
-         -- Maybe the current implementation is correct. If anybody
-            gets bitten by this, please report, and it will get fixed.
-
-         -- Testing revealed that when in CLOCAL, the problem doesn't
-            occur. As warned for in the CD1865 manual, the chip may
-            send modem intr's on a spike. We could filter those out,
-            but that would be a cludge anyway (You'd still risk getting
-            a spurious HUP when two spikes occur.).....
- 
-
-
-  Bugs & restrictions:
-       - This is a difficult card to autoprobe.
-            You have to WRITE to the address register to even 
-            read-probe a CD186x register. Disable autodetection?
-         -- Specialix: any suggestions?
-
-
diff --git a/Documentation/serial/sx.txt b/Documentation/serial/sx.txt
deleted file mode 100644
index cb4efa0fb5cc..000000000000
--- a/Documentation/serial/sx.txt
+++ /dev/null
@@ -1,294 +0,0 @@
-
-      sx.txt  -- specialix SX/SI multiport serial driver readme.
-
-
-
-      Copyright (C) 1997  Roger Wolff (R.E.Wolff@BitWizard.nl)
-
-      Specialix pays for the development and support of this driver.
-      Please DO contact support@specialix.co.uk if you require
-      support.
-
-      This driver was developed in the BitWizard linux device
-      driver service. If you require a linux device driver for your
-      product, please contact devices@BitWizard.nl for a quote.
-
-      (History)
-      There used to be an SI driver by Simon Allan. This is a complete 
-      rewrite  from scratch. Just a few lines-of-code have been snatched.
-
-      (Sources)
-      Specialix document number 6210028: SX Host Card and Download Code
-      Software Functional Specification.
-
-      (Copying)
-      This program is free software; you can redistribute it and/or
-      modify it under the terms of the GNU General Public License as
-      published by the Free Software Foundation; either version 2 of
-      the License, or (at your option) any later version.
-
-      This program is distributed in the hope that it will be
-      useful, but WITHOUT ANY WARRANTY; without even the implied
-      warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-      PURPOSE.  See the GNU General Public License for more details.
-
-      You should have received a copy of the GNU General Public
-      License along with this program; if not, write to the Free
-      Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
-      USA.
-      
-      (Addendum)
-      I'd appreciate it that if you have fixes, that you send them
-      to me first. 
-
-
-Introduction
-============
-
-This file contains some random information, that I like to have online
-instead of in a manual that can get lost. Ever misplace your Linux
-kernel sources?  And the manual of one of the boards in your computer?
-
-
-Theory of operation
-===================
-
-An important thing to know is that the driver itself doesn't have the
-firmware for the card. This means that you need the separate package
-"sx_firmware". For now you can get the source at